DE206702C

DE206702C -

Info

Publication number: DE206702C
Application number: DENDAT206702D
Authority: DE

Description

Path nt -Λ ν Sprüche:Path nt -Λ ν Proverbs:

ι. Schutzhülle für Dewarsche Gefäße, dadurch gekennzeichnet, daß der Hals der Schutzhülle innen Gewindegänge besitzt, mit denen sie auf den Hals der Flasche aufgeschraubt wird.ι. Protective cover for Dewar vessels, characterized in that the neck of the Protective cover has internal threads with which it is attached to the neck of the bottle is unscrewed.

2. Ausführungsform der Schutzhülle nach ' Anspruch 1, dadurch gekennzeichnet, daß die Verschraubung und Vereinigung von Schutzhülle und doppelwandigem Gefäß durch einen besonderen an sich bekannten Gewindering erfolgt, der auf dem Hals des Glasgefäßes in bekannter Weise durch Kitt ο. dgl. befestigt ist.2. embodiment of the protective cover according to 'claim 1, characterized in that the screwing and union of protective cover and double-walled vessel by means of a special threaded ring, known per se, which is placed on the neck of the Glass vessel in a known manner by putty ο. Like. Is attached.

3. Ausführungsform nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die einzelnen Teile der Schutzhülle durch Gewinde o. dgl. lösbar zu einem Ganzen verbunden sind. '■■■'.·■3. Embodiment according to claim 1 and 2, characterized in that the individual parts of the protective cover by thread or the like. Releasably connected to form a whole are. '■■■'. · ■

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims

IMPERIAL / έ

PATENT OFFICE.

The invention relates to a so-called De war vessel with double walls, which in a known manner enclose an evacuated cavity. The vessels were previously in a protective cover of any Material attached, for example, by plastering the neck of the vessel. As the protective cover but if it is a solid, coherent structure, it is very difficult to find a new one

ίο to bring a double-walled vessel into the protective cover, if the old one is destroyed by some accident. In addition, the glass vessel can only be cleaned together with the cover.

The present invention avoids all of these inconveniences in that the The neck of the protective sleeve has internal threads with which it is attached to the neck of the Bottle is screwed on. This makes it easily possible even for inexperienced users the glass vessels can be easily inserted. Is the thread by putting on If a ring is brought to the neck of the bottle, it is easy to see that there is none Difficulty present because of the space between the ring and the bottle neck is easily accessible.

In the drawing, an embodiment of the invention is shown in section.

On the double-walled vessel a, which consists of two walls a ¹ , α ² enclosing the evacuated space, a ring h , which is provided with a thread, is attached to the upper part of the outer wall a ^2. The upper part 0 of the protective cover is screwed onto this threaded ring h, which is attached to the bottle neck by plastering or the like. A bushing η is screwed to the upper part 0 by means of the thread g , which serves as the actual protective cover. The upper part 0. is provided with a further thread i , which is used to screw on the protective hood k or the cup. After removing the cup from the upper part and removing _ of the plug of the rim and the effluent is of the "completely exposed 45 vessel so that it can pass through the joint between container and cover during pouring, no liquid. Η By unscrewing the lower bushing, it is possible to remove the bottle from the top and then to clean it thoroughly on its own or, if it breaks, to replace it with another.